function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beimforde, Christina & Schmidt, Alexander R. & Tuovila, Hanna', 3],
    ['Chang, Runlei & Zhang, Xiuyu & Si, Hongli & Zhao, Guoyan', 2],
    ['Filippova, Nina & Zvyagina, Elena & Rudykina, Elena', 3],
    ['He, Jiao & Li, De-Wei & Cui, Wen-Li & Zhu, Li-Hua & Huang, Lin', 5],
    ['Hu, Jia-Jun & Zhao, Gui-Ping & Tuo, Yong-Lan & Dai, Dan', 4],
    ['Jarvis, Charlie', 62],
    ['Lambert, Christopher & Schweizer, Lena', 5],
    ['Lee, Beeyoung Gun & Hur, Jae-Seoun', 2],
    ['McMullin, Richard Troy & Simon, Andrew D. F. & Brodo, Irwin M.', 10],
    ['Pan, Xiao-Yan & Song, Zi-Kun & Qu, Zhi & Liu, Tie-Dong', 3],
    ['Ptach-Styn, Lucja & Guzow-Krzeminska, Beata & Lendemer, James C.', 3],
    ['Sugita, Ryosuke & Tanaka, Kazuaki', 10],
    ['Tang, Xia & Jeewon, Rajesh & Lu, Yong-Zhong', 2],
    ['Wanasinghe, Dhanushka N. & Nimalrathna, Thilina S.', 9],
    ['Yang, Qin & Jiang, Ning & Tian, Cheng-Ming', 8],
    ['Other (9)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=145)',
    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);