function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Auychinda, Chonlakran & Muranyi, David & Li, Weihai', 1],
    ['Auychinda, Chonlakran & Sartori, Michel & Boonsoong, Boonsatien', 3],
    ['Gorovaya, E. A.', 1],
    ['Jacobus, Luke M. & Sartori, Michel', 4],
    ['Jacobus, Luke M. & Sites, Robert W.', 2],
    ['Jacobus, Luke M. & Zhou, - F.', 2],
    ['Li, Xian-Fu & Sun, Ye-Kang & Liu, Zi-Ye & Jacobus, Luke M.', 1],
    ['Martynov, Alexander V. & Palatov, Dmitry M. & Godunko, Roman J.', 1],
    ['Martynov, Alexander V. & Selvakumar, C. & Palatov, Dmitry M.', 8],
    ['Martynov, Alexander V. & Selvakumar, C. & Subramanian, K. A.', 15],
    ['Sartori, Michel & Bauernfeind, Ernst', 1],
    ['Tiunova, Tatiana M.', 2],
    ['Xie, Hui & Jia, Yan-Yan & Chen, Ping & Jacobus, Luke M.', 3],
    ['Yanygina, L. V. & Potapova, N. K.', 4],
    ['Zhang, Min & Li, Wen-Juan & Ying, Xiao-Li & Zhou, Chang-Fa', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=50)',
    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);