function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anlas, Sinan', 19],
    ['Anlaş, Sinan', 13],
    ['Assing, V.', 81],
    ['Assing, V. & S, Longwang', 15],
    ['Assing, Volker', 170],
    ['Haberski, Adam & Caterino, Michael S.', 36],
    ['Lin, Xiao-Bin & Tan, Fei & Peng, Zhong', 9],
    ['Peng, Zhong & Li, Li-Zhen & Zhao, Mei-Jun', 73],
    ['Peng, Zhong & Li, Qi-Li & Shen, Liang & Gu, Fu-Kang', 15],
    ['Ryvkin, Alexandr B.', 27],
    ['Senda, Yoshihiro', 13],
    ['Tichomirova, A. l.', 8],
    ['Watanabe, Yasuaki', 10],
    ['Webster, Reginald P. & DeMerchant, Ian', 8],
    ['Zhao, Qing-Hao & Peng, Zhong', 19],
    ['Other (17)', 46]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=562)',
    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);