function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Benda, Daniel & Pohl, Hans & Beutel, Rolf & Straka, Jakub', 4],
    ['Benda, Daniel & Pohl, Hans & Nakase, Yuta & Beutel, Rolf', 137],
    ['Cook, Jerry L.', 4],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 6],
    ['Hui, Poulami & Mukherjee, Bindarika & Hazra, Niladri', 4],
    ['Kathirithamby, Jeyaraney & Hughes, David P.', 4],
    ['Kathirithamby, Jeyaraney & Mcmahon, Dino P.', 4],
    ['Kathirithamby, Jeyaraney & Taylor, Steven J.', 4],
    ['Kogan, Marcos', 4],
    ['Kogan, Marcos & Cook, Jerry L.', 5],
    ['Lu, Xiumei & Liu, Xingyue', 4],
    ['Perez-Gelabert, Daniel E.', 4],
    ['Roy, Sukhendu & Hazra, Niladri', 5],
    ['Straka, Jakub & Juzova, Katerina & Batelka, Jan', 4],
    ['Straka, Jakub & Jůzová, Kateřina & Nakase, Yuta', 69],
    ['Other (20)', 25]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=287)',
    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);