function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boonsoong, Boonsatien & Braasch, Dietrich', 32],
    ['Braasch, Dietrich & Boonsoong, Boonsatien', 15],
    ['Hrivniak, Ľubos & Sroka, Pavel & Bojkova, Jindriska', 19],
    ['Kluge, Nikita & Sivaruban, T. & Srinivasan, Pandiarajan', 4],
    ['Ma, Zhen-Xing & Lei, Zhi-Ming & Li, Wen-Juan & Zhou, Chang-Fa', 8],
    ['Sartori, Michel', 18],
    ['Sartori, Michel & Bauernfeind, Ernst', 4],
    ['Sutthacharoenthad, Waranid & Sartori, Michel', 4],
    ['Tiunova, Tatiana M.', 5],
    ['Vasanth, M. & Selvakumar, C. & Subramanian, K. A.', 12],
    ['Webb, J. M. & Braasch, D. & Mccaferty, W. P.', 7],
    ['Webb, J. M. & Mccafferty, W. P.', 7],
    ['Wongyam, Anuntaya & Sartori, Michel & Boonsoong, Boonsatien', 4],
    ['Yanygina, L. V. & Potapova, N. K.', 10],
    ['Zhang, Wei & Lei, Zhi-Ming & Li, Wen-Juan & Zhou, Chang-Fa', 7],
    ['Other (29)', 43]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=199)',
    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);