function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akrami, Mohammad Ali', 1],
    ['Bayartogtokh, Badamdorj', 5],
    ['Bayartogtokh, Badamdorj & Burkitbaeva, Ulzhan D.', 1],
    ['Behan-Pelletier, Valerie M. & Lindo, Zoë', 24],
    ['Enami, Yoshinari', 1],
    ['Enami, Yoshinari & Aoki, Jun-Ichi & Hu, Sheng-Hao', 1],
    ['Ermilov, S. G. & Salavatulin, V. M.', 1],
    ['Ermilov, Sergey G. & Smit, Harry', 1],
    ['Hushtan, Habriel H. & Hushtan, Kateryna V. & Glotov, Sergii V.', 1],
    ['Ma, Min & Li, Sheng-Cai & Fan, Qing-Hai', 2],
    ['Miko, L. & Monson, F. D.', 1],
    ['Murvanidze, Maka & Mumladze, Levan', 5],
    ['Norton, Roy A. & Ermilov, Sergey G.', 12],
    ['Weigmann, G. & Miko, L.', 7],
    ['Xie, Lixia & Yang, Maofa & Huang, Rong', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=66)',
    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);