function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 4],
    ['Alonso, G. M.', 2],
    ['Appadoo, C & Myers, A. A.', 3],
    ['Ariyama, Hiroyuki', 2],
    ['Ariyama, Hiroyuki & Angsupanich, Saowapa & Rodcharoen, Eknarin', 3],
    ['Graening, G. O. & Rogers, D. Christopher & Holsinger, John R.', 2],
    ['Jung, Tae Won & Yoon, Seong Myeong', 3],
    ['Kim, Kyung-Won & Zhang, Xin & Choi, Jae-Hong & Kim, Jun', 2],
    ['Kim, Young-Hyo', 5],
    ['Myers, Alan A.', 6],
    ['Myers, Alan A. & De-La-Ossa-Carretero, Jose Antonio', 3],
    ['Ren, Xian-Qiu & Sha, Zhong-Li', 2],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 7],
    ['Valério-Berardo, Maria Teresa & Souza, Ana Maria Thiago De', 5],
    ['Wongkamhaeng, Koraon & Nabhitabhata, Jaruwat & Towatana, Prawit', 3],
    ['Other (15)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=70)',
    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);