function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Castro, Tatiane Marie Martins Gomes De & Heyer, Jacob Den', 6],
    ['ChenK, Jian-Xin & YaoK, Mao-Yuan & GuoK, Jian-Jun & YiK, Tian-Ci', 2],
    ['Corpuz-Raros, Leonila A. & Naredo, Jeremy C. B.', 5],
    ['Heyer, Jacob den & Ueckermann, Edward A. & Khanjani, Mohammad', 5],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 3],
    ['Rocha, Matheus Dos Santos & Rodrigues, Everton Nei Lopes', 1],
    ['Rostami, Aylar & Bagheri, Mohammad & Jamshidi, Soleyman', 1],
    ['Sergeyenko, Alexey L.', 1],
    ['Skvarla, Michael J. & Fisher, J. Ray & Dowling, Ashley P. G.', 1],
    ['Wurlitzer, Wesley Borges & Monjarás-Barrera, José Irving', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=26)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);