function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alegro, Antun & Šegota, Vedran & Rimac, Anja & Kiebacher, Thomas', 3],
    ['Cano, María J. & Jiménez, Juan A.', 8],
    ['Costa, Denise Pinheiro Da', 3],
    ['Gomes do Nascimento, Géssica Maria', 5],
    ['Hedderson, Terry A. & Cano, María J.', 2],
    ['Kiebacher, Thomas & Lüth, Michael & Lüth, Volker & Kučera, Jan', 3],
    ['Larraín, Juan & Cano, María J. & Jiménez, Juan A.', 3],
    ['Maier, Eva & Price, Michelle J.', 6],
    ['Oliveira, Regigláucia Rodrigues de', 4],
    ['Papp, Beáta & Pantović, Jovana & Sabovljević, Marko S.', 3],
    ['Price, Michelle J.', 19],
    ['Reeb, Catherine & Letsara, Rokiman & Andriamiarisoa, Roger Lala', 3],
    ['Schäfer-VERwIMP, Alfons & VERwIMP, Inge', 27],
    ['Taha, Mai A. & Shabbara, Hanaa M. & Aseeri, Manal M.', 3],
    ['Thouvenot, Louis & Müller, Frank', 4],
    ['Other (11)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=109)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);