function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boumans, Louis', 4],
    ['Chen, Zhi-Teng', 4],
    ['Chen, Zhi-Teng & Du, Yu-Zhou', 4],
    ['Darilmaz, Mustafa Cemal & Salur, Ali & Murányi, Dávid', 13],
    ['Errochdi, Sanae & Alami, Majida El & Vinçon, Gilles', 3],
    ['Grubbs, Scott A. & Baumann, Richard W. & Burton, David K.', 3],
    ['Judson, Sarah W. & Nelson, C. Riley', 6],
    ['Li, Weihai & Yang, Ding', 12],
    ['MO, RAORAO & WANG, GUOQUAN & YANG, DING & LI, WEIHAI', 5],
    ['Murányi, Dávid', 8],
    ['Shimizu, Takao', 12],
    ['Sivec, Ignac & Stark, Bill P.', 9],
    ['Teslenko, Valentina A.', 9],
    ['Yan, Yanhua & Ma, Cunxin & Yang, Ding & Li, Weihai', 4],
    ['Zwick, Peter', 10],
    ['Other (28)', 41]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=147)',
    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);