function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alencar, Damares Ribeiro & Pinheiro, Allysson Pontes', 2],
    ['Alves-Júnior, Flavio De Almeida', 4],
    ['Amon, Diva J & Ziegler, Amanda F & Drazen, Jeffrey C', 2],
    ['Chakraborty, Rekha Devi & Sreelakshmy, S. & Aghana, M.', 1],
    ['Crosnier, Alain & Dall, William', 4],
    ['D\'Acoz, Cédric D\'Udekem & Degrave, Sammy', 3],
    ['González, José A.', 1],
    ['Mantelatto, Fernando L. & Al, Et', 4],
    ['Padate, Vinay P. & K. A., Mary Baby & Cubelio, Sherine Sonia', 1],
    ['Perez-Gelabert, Daniel E.', 1],
    ['Purushothaman, P. & Chakraborty, Rekha Devi & Maheswarudu, G.', 2],
    ['Wicksten, Mary K.', 2],
    ['Wood-Mason, James & Alcock, Alfred William', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);