function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abrunhosa, Jacqueline & Sindeaux-Neto, Jose L. & Santos, Sidney', 1],
    ['Afonso-Dias, Isabel & Kalavati, Chaganti & Mackenzie, Ken', 3],
    ['Cantatore, Delfina María Paula & Irigoitia, Manuel M.', 2],
    ['Cardim, Joyce & Silva, Diehgo & Hamoy, Igor & Matos, Edilson', 1],
    ['Carriero, Mateus M. & Adriano, Edson A. & Silva, Marcia R. M.', 6],
    ['Freeman, Mark Andrew & Shinn, Andrew', 1],
    ['Gao, Lei & Zhang, Jing & Yang, Chengzhong & Zhao, Yuanjun', 2],
    ['Kalavati, Chaganti & Mackenzie, Ken & Collins, Catherine', 9],
    ['Kristmundsson, Árni & Freeman, Mark Andrew', 2],
    ['Laamiri, Sayef', 14],
    ['Lekeufack-Folefack, Guy Benoit', 1],
    ['Liu, Xiaohua & Zhang, Diaodiao & Yang, Chengzhong', 1],
    ['Mansour, Lamjed & Harrath, Abdul Halim', 2],
    ['Patra, Sneha & Bartošová – Sojková, Pavla & Pecková, Hanka', 8],
    ['Thabet, Aouatef & Abdel-Baki, Abdel-Azeem S.', 2],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    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);