function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, Hui-Ming', 2],
    ['Golovatch, Sergei I. & Geoffroy, Jean-Jacques', 25],
    ['Hollier, John & Stöckli, Eduard & Wesener, Thomas', 1],
    ['Iniesta, Luiz Felipe Moretti & Bouzan, Rodrigo Salvador', 1],
    ['Jiang, Xuan-Kong & Chen, Hui-Ming & Xie, Zhi-Cai', 2],
    ['Jiang, Xuan-Kong & Hennen, Derek A. & Chen, Hui-Ming', 1],
    ['Jiang, Xuan-Kong & Zhang, Zu-Xu & Chen, Hui-Ming & Xie, Zhi-Cai', 1],
    ['Jiang, Xuankong & Guo, Xuan & Chen, Huiming & Xie, Zhicai', 8],
    ['Likhitrakarn, Natdanai & Golovatch, Sergei I.', 2],
    ['Likhitrakarn, Natdanai & Golovatch, Sergei I. & Jantarit, Sopark', 2],
    ['Likhitrakarn, Natdanai & Golovatch, Sergei I. & Panha, Somsak', 5],
    ['Likhitrakarn, Natdanai & Jeratthitikul, Ekgachai', 5],
    ['Liu, Weixin & Wynne, J. Judson', 2],
    ['Zhao, Yi & Guo, Wan-Ru & Golovatch, Sergei I. & Liu, Wei-Xin', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);