function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Criscione, Francesco & Köhler, Frank', 16],
    ['Criscione, Francesco & Law, Margot Louisa & Köhler, Frank', 19],
    ['Hwang, Chung-Chi', 17],
    ['Inkhavilay, Khamla & Sutcharit, Chirasak & Bantaowong, Ueangfa', 63],
    ['Inkhavilay, Khamla & Sutcharit, Chirasak & Panha, Somsak', 17],
    ['Jirapatrasilp, Parin & Huang, Chih-Wei & Sutcharit, Chirasak', 14],
    ['Köhler, Frank', 136],
    ['Köhler, Frank & Criscione, Francesco', 11],
    ['Nahok, Benchawan & Tumpeesuwan, Sakboworn', 12],
    ['Nurinsiyah, Ayu Savitri & Neiber, Marco T. & Hausdorf, Bernhard', 29],
    ['Pall-Gergely, Barna & unyadi, Andras & Asami, Takahiro', 13],
    ['Stanisic, John', 13],
    ['Sutcharit, Chirasak & Ablett, Jonathan & Tongkerd, Piyoros', 104],
    ['Wu, Min & Shen, Wang & Chen, Zhong-Guang', 29],
    ['Wu, Shu-Ping & Hwang, Chung-Chi & Lin, Yao-Sung', 16],
    ['Other (50)', 181]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=690)',
    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);