function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Khazali, Azhar Mohammed & Kachel, Hamid Saeid', 4],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 3],
    ['Dean, David Allen', 3],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 7],
    ['Lin, Yejie & Li, Shuqiang & Mo, Haolin & Wang, Xihao', 2],
    ['Magalhães, Mayara D. F. & Santos, Adalberto J.', 7],
    ['Reboleira, Ana Sofia P. S. & Pérez, Antonio José', 8],
    ['Rheims, Cristina A. & Santos, Adalberto J. & Harten, Antonius', 3],
    ['Santos, Adalberto J. & Gonzaga, Marcelo O.', 7],
    ['Xin, Yafei & Jiang, Tongyao & Yao, Zhiyuan & Li, Shuqiang', 6],
    ['Yang, Zi-Zhong & Yang, Zhi-Bin & Zhao, Yu & Zhang, Zhi-Sheng', 6],
    ['ZONSTEIN, SERGEI & MARUSIK, YURI M.', 3],
    ['Zamani, Alireza & Bosselaers, Jan', 10],
    ['Zamani, Alireza & Marusik, Yuri M.', 8],
    ['Other (8)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=88)',
    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);